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nataly862011 [7]
4 years ago
13

The bouncing back of sound when it hits ahard surface is called​

Physics
1 answer:
777dan777 [17]4 years ago
4 0

Answer:

Reflection of sound

Explanation:

Sound waves bounce back from hard surface's.

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Answer:

In the early part of the 20th century, scientists began to put together evidence that the continents could move around on Earth's surface. The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones.

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3 years ago
What is the resulting velocity of the launcher if the net force on the launcher is equal to the reaction force?
xz_007 [3.2K]

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3 years ago
If an alpha particle and a beta particle have the same energy, which particle will penetrate farther into an object?
lidiya [134]

Answer:

Beta particle

Explanation:

If an alpha particle and a beta particle have the same energy, beta particle will penetrate farther into an object than alpha particle because;

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2. Beta particles have more penetrating power than alpha particles.

3. Alpha particle can be absorbed or stopped by an inch or less 1-2 centimeters of air or a thin piece of tissue while beta particles can be stopped or absorbed by a thin layer of Aluminium.

4. Alpha particles loose all of their energies in a small volume easily that beta particles.

5. Beta particles can traveled a longer distance between 2-3 meters at a speed nearly equal to that of light than alpha particles which travel a distance between 2-4 cm at a speed approximately five percent the speed of light.

5 0
3 years ago
Dexter uses a compass to walk 140m due east. What is his distance and displacement?
solmaris [256]
The distance is 140 m and the displacement is 140 m E. Displacement can change though. For example, if Dexter walked 140 m east then walked 40 meters west the displacement would be 100 m E. Displacement is just how far away an object is from the start.
3 0
3 years ago
Which two, or more, of the following actions would increase the energy stored in a parallel plate capacitor when a constant pote
sleet_krkn [62]
It looks like you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer . increase the capacitance value of the capacitor.


Hope my answer would be a great help for you.    If you have more questions feel free to ask here at Brainly.
5 0
4 years ago
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